Finding the Fourth Proportional to 3,362,215.28, 4,639,668 and 1,912,263.44
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Solution
The fourth proportional to 3,362,215.28, 4,639,668 and 1,912,263.44 is: 2,638,816.00
Step by Step Solution
- Step 1: Write the proportion equation
3,362,215.28 : 4,639,668 = 1,912,263.44 : x - Step 2: Convert to fraction form
3,362,215.28/4,639,668 = 1,912,263.44/x - Step 3: Cross multiply
3,362,215.28x = 4,639,668 × 1,912,263.44 - Step 4: Simplify right side
3,362,215.28x = 8,872,267,490,137.92 - Step 5: Solve for x
x = 8,872,267,490,137.92/3,362,215.28 - Step 6: Final answer
x = 2,638,816.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.